package com.briup.mybatis02code.mapper;

import com.briup.mybatis02code.entity.Book;
import com.briup.mybatis02code.entity.Category;
import com.briup.mybatis02code.entity.ex.BookExtend;
import org.apache.ibatis.annotations.Mapper;
import org.springframework.stereotype.Component;

@Mapper
@Component
public interface BookMapper {
    Book findById(Integer id);
    BookExtend findById2(Integer id);

    BookExtend findById3(Integer id);

    Category findCategoryById(Integer id);

    BookExtend findById4(Integer id);

}
